2978752992799 has 4 divisors (see below), whose sum is σ = 3029240331720. Its totient is φ = 2928265653880.

The previous prime is 2978752992793. The next prime is 2978752992863. The reversal of 2978752992799 is 9972992578792.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2978752992799 - 2⁷ = 2978752992671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978752992793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25243669372 + ... + 25243669489.

It is an arithmetic number, because the mean of its divisors is an integer number (757310082930).

Almost surely, 2^{2978752992799} is an apocalyptic number.

2978752992799 is a deficient number, since it is larger than the sum of its proper divisors (50487338921).

2978752992799 is an equidigital number, since it uses as much as digits as its factorization.

2978752992799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50487338920.

The product of its digits is 6481218240, while the sum is 85.

The spelling of 2978752992799 in words is "two trillion, nine hundred seventy-eight billion, seven hundred fifty-two million, nine hundred ninety-two thousand, seven hundred ninety-nine".